D
The product of two numbers is 2028 and their H.C.F. is 13. The number of such pairs is (A) 1 (B) 2 (C) 3 (D) 4
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Samshad
Option B. 13 is a prime number, Let numbers are 13x and 13y, 13×13× (xy)= 2028 xy= 12 Numbers of possible pairs are (1,12), (2,6), (3,4) Co prime pairs are (1,12) and (3,4)
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